UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kU27Ej8BNA1eLk3B6cr8y4lflYsljN7xHfXVU+zBoY0=' 
WHERE 
  key_id = 'c9f529a91f1873af1983affaef4318037c5b008c9981a36770ed4fa5fd755655' 
  AND (
    token = 'kU27Ej8BNA1eLk3B6cr8y4lflYsljN7xHfXVU+zBoY0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )